WO2021043334A1 - Engin volant sans pilote embarqué - Google Patents

Engin volant sans pilote embarqué Download PDF

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Publication number
WO2021043334A1
WO2021043334A1 PCT/CN2020/123354 CN2020123354W WO2021043334A1 WO 2021043334 A1 WO2021043334 A1 WO 2021043334A1 CN 2020123354 W CN2020123354 W CN 2020123354W WO 2021043334 A1 WO2021043334 A1 WO 2021043334A1
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WO
WIPO (PCT)
Prior art keywords
rotating
shell
arm
skeleton
base
Prior art date
Application number
PCT/CN2020/123354
Other languages
English (en)
Chinese (zh)
Inventor
梁智颖
Original Assignee
深圳市道通智能航空技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市道通智能航空技术有限公司 filed Critical 深圳市道通智能航空技术有限公司
Publication of WO2021043334A1 publication Critical patent/WO2021043334A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U20/00—Constructional aspects of UAVs
    • B64U20/70—Constructional aspects of the UAV body
    • B64U20/75—Constructional aspects of the UAV body the body formed by joined shells or by a shell overlaying a chassis

Definitions

  • the utility model relates to the technical field of aircraft, in particular to an unmanned aerial vehicle.
  • the skeleton of the unmanned aerial vehicle in the prior art is a prefabricated skeleton mainly used to strengthen the strength of the body, and its resonance frequency is relatively high. Since the arm of the drone is usually connected to the shell, the motor driving the propeller will vibrate during operation. The vibration can easily cause the shell and skeleton to vibrate, causing the drone to produce greater vibrations, resulting in unstable flight of the drone. And, when the vibration is large, it will cause interference to the IMU (Inertial Measurement Unit).
  • IMU Inertial Measurement Unit
  • the purpose of the utility model is to provide an unmanned aerial vehicle, which can reduce the vibration of the unmanned aerial vehicle, reduce the interference to the IMU (Inertial Measurement Unit), and improve the flight stability.
  • IMU Inertial Measurement Unit
  • An unmanned aerial vehicle comprising: a skeleton, a shell component connected to the skeleton, a rotating component provided on the skeleton, and a machine arm installed on the skeleton through the rotating component, the machine arm passing through the
  • the rotating assembly can be rotatably installed on the skeleton relative to the skeleton.
  • the rotating assembly includes a rotating part and a base, the rotating part is arranged on the base, the base is fixedly arranged on the skeleton, and the arm is connected to the rotating part.
  • one end of the arm is provided with a first positioning hole, and the arm is sleeved on the rotating part through the first positioning hole.
  • the rotating part includes a rotating shell and a rotating core
  • the rotating shell is sleeved on the rotating core
  • the rotating core is fixedly connected to the base
  • the rotating shell can rotate around the core of the rotating core.
  • the axis rotates
  • the first positioning hole of the arm is sleeved on the rotating housing.
  • the cross section of the rotating housing is square, and the first positioning hole is a square hole.
  • the skeleton includes a skeleton body and a machine arm mounting seat, the machine arm mounting seat is fixedly connected to the skeleton body, and the base is fixedly arranged on the machine arm mounting seat.
  • the arm mounting base includes a first part, a second part, and a third part connected in sequence, the first part and the third part are arranged in parallel and spaced apart, and the first part and the second part Both the second part and the third part are fixedly connected with the skeleton body, and the base is fixedly arranged on the first part.
  • the first part is provided with a second positioning hole
  • the rotating part passes through the second positioning hole and is located between the first part and the third part
  • the base is connected to the The side of the first part facing away from the third part is fixedly connected.
  • the housing assembly includes a first half shell and a second half shell, the first half shell and the second half shell are buckled to form an accommodating cavity, and the skeleton is located in the accommodating cavity, And it is fixedly connected with the first half shell.
  • the skeleton is integrally formed, and the material of the skeleton is a magnesium alloy.
  • the arm is arranged on the frame, which improves the strength of the connection, reduces the vibration of the drone, and reduces the interference to the IMU (Inertial Measurement Unit); at the same time, the arm can be relative to the frame Rotation, when the drone is flying, when the arm is disturbed by the external wind, it can automatically rotate to resist the external disturbance and improve the flight stability.
  • IMU Inertial Measurement Unit
  • Figure 1 is an overall view of an unmanned aerial vehicle of the present utility model
  • Figure 2 is an exploded view of an unmanned aerial vehicle of the present utility model
  • Figure 3 is a partial enlarged view of A in Figure 2;
  • Figure 4 is a schematic diagram of a rotating assembly in an unmanned aerial vehicle of the present invention.
  • connection should be understood in a broad sense.
  • it can be a fixed connection or an optional connection.
  • Detachable connection it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
  • connection can be a fixed connection or an optional connection.
  • Detachable connection it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
  • the present invention provides an UAV, which includes a skeleton 1, a shell component connected to the skeleton 1, and The rotating assembly 3 of the frame 1 and the arm 2 installed on the frame 1 through the rotating assembly 3, and the arm 2 is rotatably installed on the frame 1 through the rotating assembly 3 relative to the frame 1.
  • the framework 1 of the drone is an integrated structure, and the framework 1 uses magnesium alloy to increase the strength of the framework 1 and provide sufficient support for the drone; the framework 1 adopts an integrated structure to reduce the structure of the framework 1.
  • the rotating arm is set on the frame 1 to reduce the interference of vibration to the IMU and ensure the stability of flight.
  • the rotating assembly 3 includes a rotating part and a base 31, the rotating part is arranged on the base 31, the base 31 is fixedly arranged on the frame 1, and the arm 2 is arranged in connection with the rotating part.
  • one end of the machine arm 2 is provided with a first fixed hole, and the machine arm 2 is sleeved on the rotating part through the first positioning hole.
  • the rotating part includes a rotating shell 32 and a rotating core 33.
  • the rotating shell 32 is sleeved on the rotating core 33.
  • the rotating shell 32 can rotate around the axis of the rotating core 33.
  • the rotating core 33 is fixed to the base 31. Connected, the first positioning hole of the arm 2 is sleeved on the rotating housing 32.
  • the arm 2 can automatically rotate through a certain angle to counteract the disturbance and improve the flight stability of the drone.
  • the rotating part can adjust the angle of rotation to ensure that the rotating arm will not collide with the drone body.
  • the rotating part can also be made of a bearing.
  • the outer ring of the bearing is fixedly connected to the first positioning hole on the rotating arm, and the inner ring is fixedly connected to the frame 1, which is not too limited here.
  • the cross section of the rotating housing 32 is square, the first positioning hole is a square hole, and the cross section of the rotating housing 32 is designed as It is a square shape, so that after the first positioning hole is sleeved on the rotating housing 32, the arm 2 will not move relative to the rotating housing 32.
  • the cross section of the rotating housing 32 can also be a pentagonal, hexagonal or other special shape, and the shape of the first positioning hole is the same as that of the rotating housing 32;
  • the cross section is designed to be circular, the shape of the first positioning hole is circular, and the arm 2 is fixedly connected to the rotating housing 32 by using a jack wire.
  • the skeleton 1 includes a skeleton body 11 and an arm mounting base 12, the arm mounting base 12 is fixedly connected to the skeleton body 11, and the base 31 is fixedly arranged on the arm mounting base 12.
  • the arm mounting base 12 By providing the arm mounting base 12, on the one hand, it is convenient for the rotating assembly 3 to be stably fixed on the skeleton 1, and on the other hand, the vibration impact of the arm 2 on the skeleton body 11 is reduced, thereby further improving the flight stability. Reduce the interference to the IMU.
  • the arm mounting base 12 includes a first part 121, a second part 122, and a third part 123 that are connected in sequence.
  • the first part 121 and the third part 123 are arranged in parallel and spaced apart, and the first part 121 ,
  • the second part 122 and the third part 123 are both fixedly connected to the skeleton body 11, and the base 31 is fixedly arranged on the first part 121.
  • the first part 121 is located below the third part 123
  • the first part 121 is provided with a second positioning hole 124
  • the rotating part passes through the second positioning hole 124 and is located between the first part 121 and the third part 123
  • the base 31 is fixedly connected to the side of the first part 121 away from the third part 123.
  • a third positioning hole is opened on the third part 123, and one end of the rotating core 33 is located in the third positioning hole, so that the rotating part can work normally when receiving radial force.
  • the drone also includes a shell assembly.
  • the shell assembly includes a first half shell 4 and a second half shell 5, and the first half shell 4 and the second half shell 5 are buckled together to form an accommodating cavity ,
  • the skeleton 1 is located in the accommodating cavity and is fixedly connected with the first half shell 4. After the first half shell 4 and the second half shell 5 are fastened together, they are fixed by screws to ensure the stability of the connection between the first half shell 4 and the second half shell 5.
  • the skeleton 1 can be effectively protected, and at the same time, it can play a certain decorative role for the drone.

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)
  • Details Of Aerials (AREA)

Abstract

Est divulgué un engin volant sans pilote embarqué, comprenant une structure (1), un composant de boîtier relié à la structure (1), des ensembles de rotation (3) disposés sur la structure (1), et des bras (2) installés sur la structure (1) au moyen des ensembles de rotation (3), les bras (2) étant installés de manière rotative sur la structure (1) au moyen des ensembles de rotation (3) par rapport à la structure (1). Selon l'engin volant sans pilote embarqué, la fourniture des bras (2) sur la structure (1) augmente la résistance de la connexion, réduit la vibration de l'engin volant sans pilote embarqué, et réduit l'interférence par rapport à une IMU. Les bras (2) peuvent tourner par rapport à la structure (1) pendant le vol de l'engin volant sans pilote embarqué, et lorsqu'il est perturbé par un vent extérieur, les bras peuvent tourner automatiquement pour résister à la perturbation externe de façon à améliorer la stabilité de vol.
PCT/CN2020/123354 2019-09-03 2020-10-23 Engin volant sans pilote embarqué WO2021043334A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201921454801.X 2019-09-03
CN201921454801.XU CN210653641U (zh) 2019-09-03 2019-09-03 一种无人机

Publications (1)

Publication Number Publication Date
WO2021043334A1 true WO2021043334A1 (fr) 2021-03-11

Family

ID=70839249

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/123354 WO2021043334A1 (fr) 2019-09-03 2020-10-23 Engin volant sans pilote embarqué

Country Status (2)

Country Link
CN (1) CN210653641U (fr)
WO (1) WO2021043334A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210653641U (zh) * 2019-09-03 2020-06-02 深圳市道通智能航空技术有限公司 一种无人机

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206407105U (zh) * 2016-12-29 2017-08-15 昊翔电能运动科技(昆山)有限公司 一种无人机机臂联动折叠机构及无人机
US20180118322A1 (en) * 2016-04-06 2018-05-03 Benjamin Harris Folding heavy-lift unmanned vehicle frame
CN108513563A (zh) * 2017-08-30 2018-09-07 深圳市大疆创新科技有限公司 无人机
CN207843325U (zh) * 2018-01-22 2018-09-11 东莞市宏联电子有限公司 一种无人机及其用于无人机机臂的开合装置
CN210653641U (zh) * 2019-09-03 2020-06-02 深圳市道通智能航空技术有限公司 一种无人机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180118322A1 (en) * 2016-04-06 2018-05-03 Benjamin Harris Folding heavy-lift unmanned vehicle frame
CN206407105U (zh) * 2016-12-29 2017-08-15 昊翔电能运动科技(昆山)有限公司 一种无人机机臂联动折叠机构及无人机
CN108513563A (zh) * 2017-08-30 2018-09-07 深圳市大疆创新科技有限公司 无人机
CN207843325U (zh) * 2018-01-22 2018-09-11 东莞市宏联电子有限公司 一种无人机及其用于无人机机臂的开合装置
CN210653641U (zh) * 2019-09-03 2020-06-02 深圳市道通智能航空技术有限公司 一种无人机

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